./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 141cc550f279b59aa80e553b6a405c5654c50ab0a30e94ad7616006c63d0c81e --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:17:52,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:17:52,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:17:52,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:17:52,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:17:52,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:17:52,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:17:52,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:17:52,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:17:52,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:17:52,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:17:52,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:17:52,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:17:52,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:17:52,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:17:52,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:17:52,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:17:52,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:17:52,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:17:52,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:17:52,232 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:17:52,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:17:52,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:17:52,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:17:52,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:17:52,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:17:52,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:17:52,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:17:52,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:17:52,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:17:52,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:17:52,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:17:52,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:17:52,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:17:52,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:17:52,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:17:52,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:17:52,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:17:52,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:17:52,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:17:52,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:17:52,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:17:52,247 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 15:17:52,274 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:17:52,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:17:52,275 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:17:52,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:17:52,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:17:52,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:17:52,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:17:52,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:17:52,276 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:17:52,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:17:52,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 15:17:52,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:17:52,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:17:52,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:17:52,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:17:52,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:17:52,278 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:17:52,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:17:52,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:17:52,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:17:52,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:17:52,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:17:52,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:17:52,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:17:52,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:17:52,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 15:17:52,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 15:17:52,280 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:17:52,280 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:17:52,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:17:52,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 141cc550f279b59aa80e553b6a405c5654c50ab0a30e94ad7616006c63d0c81e [2022-07-12 15:17:52,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:17:52,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:17:52,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:17:52,493 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:17:52,493 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:17:52,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i [2022-07-12 15:17:52,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c03438f8/d16aaf94b6064eff8921c5cc563fe887/FLAGafb4d6a58 [2022-07-12 15:17:53,053 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:17:53,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i [2022-07-12 15:17:53,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c03438f8/d16aaf94b6064eff8921c5cc563fe887/FLAGafb4d6a58 [2022-07-12 15:17:53,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c03438f8/d16aaf94b6064eff8921c5cc563fe887 [2022-07-12 15:17:53,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:17:53,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:17:53,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:17:53,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:17:53,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:17:53,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:17:53" (1/1) ... [2022-07-12 15:17:53,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a93b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:53, skipping insertion in model container [2022-07-12 15:17:53,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:17:53" (1/1) ... [2022-07-12 15:17:53,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:17:53,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:17:54,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[322818,322831] [2022-07-12 15:17:54,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[322987,323000] [2022-07-12 15:17:54,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[323154,323167] [2022-07-12 15:17:54,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[323322,323335] [2022-07-12 15:17:54,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:17:54,791 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:17:55,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[322818,322831] [2022-07-12 15:17:55,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[322987,323000] [2022-07-12 15:17:55,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[323154,323167] [2022-07-12 15:17:55,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[323322,323335] [2022-07-12 15:17:55,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:17:55,173 INFO L208 MainTranslator]: Completed translation [2022-07-12 15:17:55,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:55 WrapperNode [2022-07-12 15:17:55,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 15:17:55,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 15:17:55,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 15:17:55,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 15:17:55,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:55" (1/1) ... [2022-07-12 15:17:55,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:55" (1/1) ... [2022-07-12 15:17:55,427 INFO L137 Inliner]: procedures = 412, calls = 1826, calls flagged for inlining = 207, calls inlined = 191, statements flattened = 4785 [2022-07-12 15:17:55,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 15:17:55,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 15:17:55,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 15:17:55,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 15:17:55,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:55" (1/1) ... [2022-07-12 15:17:55,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:55" (1/1) ... [2022-07-12 15:17:55,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:55" (1/1) ... [2022-07-12 15:17:55,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:55" (1/1) ... [2022-07-12 15:17:55,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:55" (1/1) ... [2022-07-12 15:17:55,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:55" (1/1) ... [2022-07-12 15:17:55,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:55" (1/1) ... [2022-07-12 15:17:55,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 15:17:55,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 15:17:55,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 15:17:55,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 15:17:55,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:55" (1/1) ... [2022-07-12 15:17:55,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:17:55,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:17:55,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 15:17:55,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 15:17:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_running [2022-07-12 15:17:55,688 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_running [2022-07-12 15:17:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 15:17:55,688 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 15:17:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 15:17:55,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 15:17:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-12 15:17:55,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-12 15:17:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 15:17:55,689 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 15:17:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_close [2022-07-12 15:17:55,689 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_close [2022-07-12 15:17:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 15:17:55,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 15:17:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-07-12 15:17:55,689 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-07-12 15:17:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 15:17:55,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 15:17:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 15:17:55,690 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 15:17:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_hamachi_private [2022-07-12 15:17:55,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_hamachi_private [2022-07-12 15:17:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 15:17:55,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 15:17:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 15:17:55,690 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 15:17:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 15:17:55,691 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 15:17:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 15:17:55,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 15:17:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 15:17:55,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 15:17:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 15:17:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 15:17:55,692 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 15:17:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 15:17:55,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 15:17:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 15:17:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 15:17:55,692 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 15:17:55,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 15:17:55,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 15:17:55,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 15:17:55,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 15:17:55,693 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-12 15:17:55,694 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-12 15:17:55,694 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 15:17:55,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 15:17:55,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 15:17:55,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 15:17:55,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 15:17:55,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 15:17:55,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 15:17:55,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 15:17:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-12 15:17:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-12 15:17:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 15:17:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 15:17:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 15:17:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 15:17:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 15:17:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 15:17:55,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 15:17:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 15:17:55,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 15:17:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 15:17:55,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 15:17:55,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 15:17:55,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 15:17:55,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 15:17:55,699 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 15:17:55,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 15:17:55,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 15:17:55,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:17:55,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:17:55,700 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 15:17:55,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 15:17:55,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_hamachi_private [2022-07-12 15:17:55,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_hamachi_private [2022-07-12 15:17:55,700 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-12 15:17:55,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-12 15:17:55,700 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 15:17:55,700 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 15:17:55,700 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-12 15:17:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-12 15:17:55,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 15:17:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 15:17:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 15:17:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 15:17:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-12 15:17:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-12 15:17:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-12 15:17:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-12 15:17:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_nway_reset [2022-07-12 15:17:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_nway_reset [2022-07-12 15:17:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-12 15:17:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-12 15:17:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 15:17:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 15:17:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 15:17:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 15:17:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 15:17:55,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 15:17:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 15:17:55,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 15:17:55,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_hamachi_exit_15_2 [2022-07-12 15:17:55,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_hamachi_exit_15_2 [2022-07-12 15:17:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 15:17:55,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 15:17:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 15:17:55,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 15:17:55,705 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_open [2022-07-12 15:17:55,706 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_open [2022-07-12 15:17:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 15:17:55,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 15:17:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-12 15:17:55,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-12 15:17:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 15:17:55,709 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 15:17:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 15:17:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 15:17:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 15:17:55,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 15:17:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-12 15:17:55,715 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-12 15:17:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 15:17:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-12 15:17:55,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-12 15:17:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 15:17:55,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 15:17:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 15:17:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 15:17:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_68 [2022-07-12 15:17:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_68 [2022-07-12 15:17:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 15:17:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 15:17:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-12 15:17:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-12 15:17:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 15:17:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 15:17:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 15:17:55,717 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 15:17:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_remove_one [2022-07-12 15:17:55,717 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_remove_one [2022-07-12 15:17:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 15:17:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 15:17:55,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 15:17:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_69 [2022-07-12 15:17:55,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_69 [2022-07-12 15:17:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_stats [2022-07-12 15:17:55,717 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_stats [2022-07-12 15:17:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_tx_timeout [2022-07-12 15:17:55,718 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_tx_timeout [2022-07-12 15:17:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 15:17:55,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 15:17:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-12 15:17:55,718 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-12 15:17:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 15:17:55,718 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 15:17:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 15:17:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_timer [2022-07-12 15:17:55,719 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_timer [2022-07-12 15:17:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 15:17:55,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 15:17:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-12 15:17:55,719 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-12 15:17:56,370 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 15:17:56,372 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 15:17:56,475 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 15:17:58,305 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 15:17:58,383 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 15:17:58,397 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 15:17:58,397 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 15:17:58,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:17:58 BoogieIcfgContainer [2022-07-12 15:17:58,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 15:17:58,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 15:17:58,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 15:17:58,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 15:17:58,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:17:53" (1/3) ... [2022-07-12 15:17:58,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f17d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:17:58, skipping insertion in model container [2022-07-12 15:17:58,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:55" (2/3) ... [2022-07-12 15:17:58,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f17d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:17:58, skipping insertion in model container [2022-07-12 15:17:58,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:17:58" (3/3) ... [2022-07-12 15:17:58,407 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i [2022-07-12 15:17:58,418 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 15:17:58,418 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-12 15:17:58,474 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 15:17:58,479 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@76d2a845, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1b7fa0ed [2022-07-12 15:17:58,480 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-12 15:17:58,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 1643 states, 1169 states have (on average 1.3267750213857998) internal successors, (1551), 1196 states have internal predecessors, (1551), 397 states have call successors, (397), 75 states have call predecessors, (397), 74 states have return successors, (390), 377 states have call predecessors, (390), 390 states have call successors, (390) [2022-07-12 15:17:58,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-12 15:17:58,504 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:17:58,505 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:17:58,505 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:17:58,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:17:58,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1951327462, now seen corresponding path program 1 times [2022-07-12 15:17:58,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:17:58,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536498109] [2022-07-12 15:17:58,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:17:58,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:17:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:17:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:17:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:17:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:17:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:17:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:17:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:17:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:17:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:17:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:17:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:17:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:17:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:17:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:17:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:17:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:17:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:17:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:17:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:17:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 15:17:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 15:17:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-07-12 15:17:59,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:17:59,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536498109] [2022-07-12 15:17:59,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536498109] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:17:59,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:17:59,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:17:59,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729784285] [2022-07-12 15:17:59,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:17:59,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:17:59,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:17:59,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:17:59,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:17:59,237 INFO L87 Difference]: Start difference. First operand has 1643 states, 1169 states have (on average 1.3267750213857998) internal successors, (1551), 1196 states have internal predecessors, (1551), 397 states have call successors, (397), 75 states have call predecessors, (397), 74 states have return successors, (390), 377 states have call predecessors, (390), 390 states have call successors, (390) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-12 15:18:01,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:01,946 INFO L93 Difference]: Finished difference Result 4635 states and 6726 transitions. [2022-07-12 15:18:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:18:01,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 129 [2022-07-12 15:18:01,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:01,974 INFO L225 Difference]: With dead ends: 4635 [2022-07-12 15:18:01,975 INFO L226 Difference]: Without dead ends: 2999 [2022-07-12 15:18:01,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:18:01,992 INFO L413 NwaCegarLoop]: 2451 mSDtfsCounter, 2473 mSDsluCounter, 2342 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 1112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2784 SdHoareTripleChecker+Valid, 4793 SdHoareTripleChecker+Invalid, 2776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1112 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:01,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2784 Valid, 4793 Invalid, 2776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1112 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 15:18:02,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2999 states. [2022-07-12 15:18:02,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2999 to 2939. [2022-07-12 15:18:02,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2939 states, 2086 states have (on average 1.2780441035474592) internal successors, (2666), 2144 states have internal predecessors, (2666), 703 states have call successors, (703), 142 states have call predecessors, (703), 147 states have return successors, (725), 670 states have call predecessors, (725), 699 states have call successors, (725) [2022-07-12 15:18:02,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2939 states to 2939 states and 4094 transitions. [2022-07-12 15:18:02,157 INFO L78 Accepts]: Start accepts. Automaton has 2939 states and 4094 transitions. Word has length 129 [2022-07-12 15:18:02,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:02,157 INFO L495 AbstractCegarLoop]: Abstraction has 2939 states and 4094 transitions. [2022-07-12 15:18:02,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-12 15:18:02,158 INFO L276 IsEmpty]: Start isEmpty. Operand 2939 states and 4094 transitions. [2022-07-12 15:18:02,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-12 15:18:02,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:02,163 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:02,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 15:18:02,163 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:02,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:02,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1004302406, now seen corresponding path program 1 times [2022-07-12 15:18:02,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:18:02,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851467201] [2022-07-12 15:18:02,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:02,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:18:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:18:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:18:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:18:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:18:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:18:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:18:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:18:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:18:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:18:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:18:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 15:18:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:02,410 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-07-12 15:18:02,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:18:02,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851467201] [2022-07-12 15:18:02,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851467201] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:02,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:02,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:18:02,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203809837] [2022-07-12 15:18:02,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:02,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:18:02,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:18:02,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:18:02,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:18:02,413 INFO L87 Difference]: Start difference. First operand 2939 states and 4094 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-12 15:18:05,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:05,072 INFO L93 Difference]: Finished difference Result 8694 states and 12136 transitions. [2022-07-12 15:18:05,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:18:05,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 129 [2022-07-12 15:18:05,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:05,114 INFO L225 Difference]: With dead ends: 8694 [2022-07-12 15:18:05,115 INFO L226 Difference]: Without dead ends: 5778 [2022-07-12 15:18:05,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:18:05,134 INFO L413 NwaCegarLoop]: 2380 mSDtfsCounter, 2752 mSDsluCounter, 2257 mSDsCounter, 0 mSdLazyCounter, 1748 mSolverCounterSat, 1120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3105 SdHoareTripleChecker+Valid, 4637 SdHoareTripleChecker+Invalid, 2868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1120 IncrementalHoareTripleChecker+Valid, 1748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:05,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3105 Valid, 4637 Invalid, 2868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1120 Valid, 1748 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 15:18:05,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5778 states. [2022-07-12 15:18:05,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5778 to 5708. [2022-07-12 15:18:05,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5708 states, 4070 states have (on average 1.278869778869779) internal successors, (5205), 4178 states have internal predecessors, (5205), 1344 states have call successors, (1344), 280 states have call predecessors, (1344), 291 states have return successors, (1392), 1285 states have call predecessors, (1392), 1340 states have call successors, (1392) [2022-07-12 15:18:05,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5708 states to 5708 states and 7941 transitions. [2022-07-12 15:18:05,389 INFO L78 Accepts]: Start accepts. Automaton has 5708 states and 7941 transitions. Word has length 129 [2022-07-12 15:18:05,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:05,391 INFO L495 AbstractCegarLoop]: Abstraction has 5708 states and 7941 transitions. [2022-07-12 15:18:05,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-12 15:18:05,391 INFO L276 IsEmpty]: Start isEmpty. Operand 5708 states and 7941 transitions. [2022-07-12 15:18:05,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-12 15:18:05,395 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:05,395 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:05,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 15:18:05,395 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:05,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:05,396 INFO L85 PathProgramCache]: Analyzing trace with hash 671909059, now seen corresponding path program 1 times [2022-07-12 15:18:05,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:18:05,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347086827] [2022-07-12 15:18:05,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:05,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:18:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:18:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:18:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:18:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:18:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:18:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:18:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:18:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:18:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:18:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:18:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 15:18:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:05,693 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-07-12 15:18:05,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:18:05,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347086827] [2022-07-12 15:18:05,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347086827] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:05,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:05,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:18:05,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036183033] [2022-07-12 15:18:05,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:05,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:18:05,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:18:05,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:18:05,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:18:05,695 INFO L87 Difference]: Start difference. First operand 5708 states and 7941 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-12 15:18:08,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:08,452 INFO L93 Difference]: Finished difference Result 16228 states and 22630 transitions. [2022-07-12 15:18:08,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:18:08,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 134 [2022-07-12 15:18:08,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:08,503 INFO L225 Difference]: With dead ends: 16228 [2022-07-12 15:18:08,504 INFO L226 Difference]: Without dead ends: 10543 [2022-07-12 15:18:08,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:18:08,523 INFO L413 NwaCegarLoop]: 2360 mSDtfsCounter, 2495 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 1745 mSolverCounterSat, 1138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2817 SdHoareTripleChecker+Valid, 4611 SdHoareTripleChecker+Invalid, 2883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1138 IncrementalHoareTripleChecker+Valid, 1745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:08,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2817 Valid, 4611 Invalid, 2883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1138 Valid, 1745 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 15:18:08,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10543 states. [2022-07-12 15:18:08,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10543 to 10326. [2022-07-12 15:18:08,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10326 states, 7326 states have (on average 1.27996177996178) internal successors, (9377), 7528 states have internal predecessors, (9377), 2452 states have call successors, (2452), 532 states have call predecessors, (2452), 545 states have return successors, (2530), 2329 states have call predecessors, (2530), 2448 states have call successors, (2530) [2022-07-12 15:18:08,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10326 states to 10326 states and 14359 transitions. [2022-07-12 15:18:08,849 INFO L78 Accepts]: Start accepts. Automaton has 10326 states and 14359 transitions. Word has length 134 [2022-07-12 15:18:08,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:08,852 INFO L495 AbstractCegarLoop]: Abstraction has 10326 states and 14359 transitions. [2022-07-12 15:18:08,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-12 15:18:08,853 INFO L276 IsEmpty]: Start isEmpty. Operand 10326 states and 14359 transitions. [2022-07-12 15:18:08,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-12 15:18:08,857 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:08,857 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:08,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 15:18:08,858 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:08,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:08,858 INFO L85 PathProgramCache]: Analyzing trace with hash 298418147, now seen corresponding path program 1 times [2022-07-12 15:18:08,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:18:08,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095696698] [2022-07-12 15:18:08,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:08,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:18:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:18:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:18:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:18:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:18:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:18:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:18:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:18:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:18:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:18:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:18:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:18:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:18:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:18:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 15:18:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 15:18:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:18:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:18:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:09,194 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-07-12 15:18:09,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:18:09,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095696698] [2022-07-12 15:18:09,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095696698] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:09,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:09,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:18:09,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603057642] [2022-07-12 15:18:09,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:09,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:18:09,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:18:09,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:18:09,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:18:09,197 INFO L87 Difference]: Start difference. First operand 10326 states and 14359 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-12 15:18:11,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:11,648 INFO L93 Difference]: Finished difference Result 20956 states and 29202 transitions. [2022-07-12 15:18:11,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:18:11,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 187 [2022-07-12 15:18:11,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:11,728 INFO L225 Difference]: With dead ends: 20956 [2022-07-12 15:18:11,728 INFO L226 Difference]: Without dead ends: 15622 [2022-07-12 15:18:11,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:18:11,755 INFO L413 NwaCegarLoop]: 4115 mSDtfsCounter, 2219 mSDsluCounter, 3164 mSDsCounter, 0 mSdLazyCounter, 1771 mSolverCounterSat, 768 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2567 SdHoareTripleChecker+Valid, 7279 SdHoareTripleChecker+Invalid, 2539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 768 IncrementalHoareTripleChecker+Valid, 1771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:11,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2567 Valid, 7279 Invalid, 2539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [768 Valid, 1771 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-12 15:18:11,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15622 states. [2022-07-12 15:18:12,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15622 to 15339. [2022-07-12 15:18:12,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15339 states, 10893 states have (on average 1.2801799320664646) internal successors, (13945), 11189 states have internal predecessors, (13945), 3628 states have call successors, (3628), 795 states have call predecessors, (3628), 815 states have return successors, (3747), 3450 states have call predecessors, (3747), 3624 states have call successors, (3747) [2022-07-12 15:18:12,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15339 states to 15339 states and 21320 transitions. [2022-07-12 15:18:12,340 INFO L78 Accepts]: Start accepts. Automaton has 15339 states and 21320 transitions. Word has length 187 [2022-07-12 15:18:12,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:12,341 INFO L495 AbstractCegarLoop]: Abstraction has 15339 states and 21320 transitions. [2022-07-12 15:18:12,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-12 15:18:12,341 INFO L276 IsEmpty]: Start isEmpty. Operand 15339 states and 21320 transitions. [2022-07-12 15:18:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-12 15:18:12,347 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:12,347 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:12,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 15:18:12,347 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:12,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:12,348 INFO L85 PathProgramCache]: Analyzing trace with hash -2073321115, now seen corresponding path program 1 times [2022-07-12 15:18:12,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:18:12,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078945150] [2022-07-12 15:18:12,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:12,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:18:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:18:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:18:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:18:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:18:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:18:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:18:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:18:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:18:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:18:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:18:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:18:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:18:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:18:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 15:18:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 15:18:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:18:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:18:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,703 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2022-07-12 15:18:12,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:18:12,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078945150] [2022-07-12 15:18:12,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078945150] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:12,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:12,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:18:12,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597632849] [2022-07-12 15:18:12,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:12,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:18:12,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:18:12,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:18:12,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:18:12,705 INFO L87 Difference]: Start difference. First operand 15339 states and 21320 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-12 15:18:14,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:14,982 INFO L93 Difference]: Finished difference Result 15624 states and 21775 transitions. [2022-07-12 15:18:14,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:18:14,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 187 [2022-07-12 15:18:14,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:15,028 INFO L225 Difference]: With dead ends: 15624 [2022-07-12 15:18:15,028 INFO L226 Difference]: Without dead ends: 15622 [2022-07-12 15:18:15,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:18:15,036 INFO L413 NwaCegarLoop]: 2129 mSDtfsCounter, 2301 mSDsluCounter, 3630 mSDsCounter, 0 mSdLazyCounter, 2294 mSolverCounterSat, 794 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2533 SdHoareTripleChecker+Valid, 5759 SdHoareTripleChecker+Invalid, 3088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 794 IncrementalHoareTripleChecker+Valid, 2294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:15,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2533 Valid, 5759 Invalid, 3088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [794 Valid, 2294 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 15:18:15,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15622 states. [2022-07-12 15:18:15,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15622 to 15343. [2022-07-12 15:18:15,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15343 states, 10896 states have (on average 1.2801027900146842) internal successors, (13948), 11192 states have internal predecessors, (13948), 3628 states have call successors, (3628), 796 states have call predecessors, (3628), 816 states have return successors, (3747), 3450 states have call predecessors, (3747), 3624 states have call successors, (3747) [2022-07-12 15:18:15,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15343 states to 15343 states and 21323 transitions. [2022-07-12 15:18:15,429 INFO L78 Accepts]: Start accepts. Automaton has 15343 states and 21323 transitions. Word has length 187 [2022-07-12 15:18:15,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:15,430 INFO L495 AbstractCegarLoop]: Abstraction has 15343 states and 21323 transitions. [2022-07-12 15:18:15,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-12 15:18:15,430 INFO L276 IsEmpty]: Start isEmpty. Operand 15343 states and 21323 transitions. [2022-07-12 15:18:15,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-07-12 15:18:15,436 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:15,437 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:15,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 15:18:15,437 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:15,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:15,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1429998640, now seen corresponding path program 1 times [2022-07-12 15:18:15,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:18:15,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568386670] [2022-07-12 15:18:15,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:15,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:18:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:18:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:18:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:18:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:18:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:18:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:18:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:18:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:18:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:18:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:18:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:18:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:18:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:18:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 15:18:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 15:18:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:18:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:18:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 15:18:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:15,709 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2022-07-12 15:18:15,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:18:15,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568386670] [2022-07-12 15:18:15,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568386670] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:15,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:15,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:18:15,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383306225] [2022-07-12 15:18:15,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:15,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:18:15,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:18:15,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:18:15,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:18:15,712 INFO L87 Difference]: Start difference. First operand 15343 states and 21323 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 15:18:17,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:17,634 INFO L93 Difference]: Finished difference Result 15628 states and 21778 transitions. [2022-07-12 15:18:17,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:18:17,635 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 192 [2022-07-12 15:18:17,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:17,693 INFO L225 Difference]: With dead ends: 15628 [2022-07-12 15:18:17,694 INFO L226 Difference]: Without dead ends: 15626 [2022-07-12 15:18:17,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:18:17,706 INFO L413 NwaCegarLoop]: 2133 mSDtfsCounter, 2293 mSDsluCounter, 3633 mSDsCounter, 0 mSdLazyCounter, 2294 mSolverCounterSat, 793 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2524 SdHoareTripleChecker+Valid, 5766 SdHoareTripleChecker+Invalid, 3087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 793 IncrementalHoareTripleChecker+Valid, 2294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:17,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2524 Valid, 5766 Invalid, 3087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [793 Valid, 2294 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 15:18:17,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15626 states. [2022-07-12 15:18:18,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15626 to 15347. [2022-07-12 15:18:18,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15347 states, 10899 states have (on average 1.2800256904303147) internal successors, (13951), 11195 states have internal predecessors, (13951), 3628 states have call successors, (3628), 797 states have call predecessors, (3628), 817 states have return successors, (3747), 3450 states have call predecessors, (3747), 3624 states have call successors, (3747) [2022-07-12 15:18:18,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15347 states to 15347 states and 21326 transitions. [2022-07-12 15:18:18,132 INFO L78 Accepts]: Start accepts. Automaton has 15347 states and 21326 transitions. Word has length 192 [2022-07-12 15:18:18,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:18,133 INFO L495 AbstractCegarLoop]: Abstraction has 15347 states and 21326 transitions. [2022-07-12 15:18:18,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 15:18:18,133 INFO L276 IsEmpty]: Start isEmpty. Operand 15347 states and 21326 transitions. [2022-07-12 15:18:18,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-12 15:18:18,203 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:18,204 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:18,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 15:18:18,204 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:18,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:18,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1847429142, now seen corresponding path program 1 times [2022-07-12 15:18:18,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:18:18,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835660116] [2022-07-12 15:18:18,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:18,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:18:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:18:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:18:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:18:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:18:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:18:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:18:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:18:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:18:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:18:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:18:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:18:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:18:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:18:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 15:18:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 15:18:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:18:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 15:18:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-12 15:18:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:18:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 15:18:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 15:18:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:18,450 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2022-07-12 15:18:18,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:18:18,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835660116] [2022-07-12 15:18:18,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835660116] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:18,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:18,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 15:18:18,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301180877] [2022-07-12 15:18:18,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:18,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:18:18,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:18:18,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:18:18,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:18:18,453 INFO L87 Difference]: Start difference. First operand 15347 states and 21326 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-12 15:18:22,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:22,915 INFO L93 Difference]: Finished difference Result 31121 states and 43325 transitions. [2022-07-12 15:18:22,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 15:18:22,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 207 [2022-07-12 15:18:22,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:22,990 INFO L225 Difference]: With dead ends: 31121 [2022-07-12 15:18:22,991 INFO L226 Difference]: Without dead ends: 20766 [2022-07-12 15:18:23,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 15:18:23,028 INFO L413 NwaCegarLoop]: 3994 mSDtfsCounter, 2786 mSDsluCounter, 4183 mSDsCounter, 0 mSdLazyCounter, 2941 mSolverCounterSat, 1825 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3027 SdHoareTripleChecker+Valid, 8177 SdHoareTripleChecker+Invalid, 4766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1825 IncrementalHoareTripleChecker+Valid, 2941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:23,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3027 Valid, 8177 Invalid, 4766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1825 Valid, 2941 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-12 15:18:23,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20766 states. [2022-07-12 15:18:23,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20766 to 20364. [2022-07-12 15:18:23,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20364 states, 14470 states have (on average 1.2800967519004838) internal successors, (18523), 14860 states have internal predecessors, (18523), 4804 states have call successors, (4804), 1060 states have call predecessors, (4804), 1087 states have return successors, (4964), 4571 states have call predecessors, (4964), 4800 states have call successors, (4964) [2022-07-12 15:18:23,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20364 states to 20364 states and 28291 transitions. [2022-07-12 15:18:23,701 INFO L78 Accepts]: Start accepts. Automaton has 20364 states and 28291 transitions. Word has length 207 [2022-07-12 15:18:23,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:23,702 INFO L495 AbstractCegarLoop]: Abstraction has 20364 states and 28291 transitions. [2022-07-12 15:18:23,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-12 15:18:23,702 INFO L276 IsEmpty]: Start isEmpty. Operand 20364 states and 28291 transitions. [2022-07-12 15:18:23,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-07-12 15:18:23,708 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:23,708 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:23,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 15:18:23,709 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:23,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:23,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1602388997, now seen corresponding path program 1 times [2022-07-12 15:18:23,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:18:23,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666561772] [2022-07-12 15:18:23,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:23,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:18:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:18:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:18:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:18:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:18:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:18:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:18:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:18:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:18:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:18:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:18:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:18:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:18:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:18:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 15:18:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 15:18:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:18:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:18:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 15:18:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-12 15:18:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:23,954 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2022-07-12 15:18:23,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:18:23,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666561772] [2022-07-12 15:18:23,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666561772] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:23,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:23,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:18:23,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469984642] [2022-07-12 15:18:23,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:23,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:18:23,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:18:23,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:18:23,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:18:23,956 INFO L87 Difference]: Start difference. First operand 20364 states and 28291 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 15:18:26,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:26,179 INFO L93 Difference]: Finished difference Result 20742 states and 28893 transitions. [2022-07-12 15:18:26,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:18:26,179 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 197 [2022-07-12 15:18:26,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:26,230 INFO L225 Difference]: With dead ends: 20742 [2022-07-12 15:18:26,230 INFO L226 Difference]: Without dead ends: 20740 [2022-07-12 15:18:26,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:18:26,238 INFO L413 NwaCegarLoop]: 2134 mSDtfsCounter, 2291 mSDsluCounter, 3634 mSDsCounter, 0 mSdLazyCounter, 2297 mSolverCounterSat, 791 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2523 SdHoareTripleChecker+Valid, 5768 SdHoareTripleChecker+Invalid, 3088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 791 IncrementalHoareTripleChecker+Valid, 2297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:26,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2523 Valid, 5768 Invalid, 3088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [791 Valid, 2297 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 15:18:26,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20740 states. [2022-07-12 15:18:26,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20740 to 20368. [2022-07-12 15:18:26,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20368 states, 14473 states have (on average 1.2800386927382021) internal successors, (18526), 14863 states have internal predecessors, (18526), 4804 states have call successors, (4804), 1061 states have call predecessors, (4804), 1088 states have return successors, (4964), 4571 states have call predecessors, (4964), 4800 states have call successors, (4964) [2022-07-12 15:18:26,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20368 states to 20368 states and 28294 transitions. [2022-07-12 15:18:26,783 INFO L78 Accepts]: Start accepts. Automaton has 20368 states and 28294 transitions. Word has length 197 [2022-07-12 15:18:26,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:26,784 INFO L495 AbstractCegarLoop]: Abstraction has 20368 states and 28294 transitions. [2022-07-12 15:18:26,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 15:18:26,784 INFO L276 IsEmpty]: Start isEmpty. Operand 20368 states and 28294 transitions. [2022-07-12 15:18:26,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-12 15:18:26,790 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:26,790 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:26,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 15:18:26,791 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:26,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:26,791 INFO L85 PathProgramCache]: Analyzing trace with hash 269118704, now seen corresponding path program 1 times [2022-07-12 15:18:26,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:18:26,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243826914] [2022-07-12 15:18:26,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:26,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:18:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:18:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:18:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:18:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:18:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:18:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:18:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:18:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:18:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:18:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:18:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:26,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 15:18:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:18:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:27,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:27,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 15:18:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:27,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:18:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:27,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 15:18:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:27,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 15:18:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:27,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 15:18:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:27,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-12 15:18:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:27,038 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-07-12 15:18:27,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:18:27,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243826914] [2022-07-12 15:18:27,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243826914] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:27,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:27,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:18:27,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402687197] [2022-07-12 15:18:27,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:27,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:18:27,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:18:27,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:18:27,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:18:27,041 INFO L87 Difference]: Start difference. First operand 20368 states and 28294 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 15:18:35,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:35,578 INFO L93 Difference]: Finished difference Result 43793 states and 60688 transitions. [2022-07-12 15:18:35,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:18:35,579 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 194 [2022-07-12 15:18:35,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:35,647 INFO L225 Difference]: With dead ends: 43793 [2022-07-12 15:18:35,647 INFO L226 Difference]: Without dead ends: 23448 [2022-07-12 15:18:35,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-12 15:18:35,699 INFO L413 NwaCegarLoop]: 2629 mSDtfsCounter, 1703 mSDsluCounter, 3942 mSDsCounter, 0 mSdLazyCounter, 3502 mSolverCounterSat, 847 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1956 SdHoareTripleChecker+Valid, 6571 SdHoareTripleChecker+Invalid, 4349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 847 IncrementalHoareTripleChecker+Valid, 3502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:35,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1956 Valid, 6571 Invalid, 4349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [847 Valid, 3502 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-07-12 15:18:35,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23448 states. [2022-07-12 15:18:36,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23448 to 22772. [2022-07-12 15:18:36,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22772 states, 16414 states have (on average 1.2737297429024004) internal successors, (20907), 16795 states have internal predecessors, (20907), 5092 states have call successors, (5092), 1247 states have call predecessors, (5092), 1263 states have return successors, (5211), 4858 states have call predecessors, (5211), 5088 states have call successors, (5211) [2022-07-12 15:18:36,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22772 states to 22772 states and 31210 transitions. [2022-07-12 15:18:36,872 INFO L78 Accepts]: Start accepts. Automaton has 22772 states and 31210 transitions. Word has length 194 [2022-07-12 15:18:36,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:36,873 INFO L495 AbstractCegarLoop]: Abstraction has 22772 states and 31210 transitions. [2022-07-12 15:18:36,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 15:18:36,873 INFO L276 IsEmpty]: Start isEmpty. Operand 22772 states and 31210 transitions. [2022-07-12 15:18:36,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-12 15:18:36,878 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:36,878 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:36,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 15:18:36,878 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:36,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:36,879 INFO L85 PathProgramCache]: Analyzing trace with hash 99345584, now seen corresponding path program 1 times [2022-07-12 15:18:36,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:18:36,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373288534] [2022-07-12 15:18:36,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:36,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:18:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:36,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:18:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:36,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:18:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:18:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:18:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:18:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:18:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:18:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:18:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:18:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:18:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:18:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:18:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:18:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 15:18:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 15:18:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:18:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:18:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 15:18:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-12 15:18:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 15:18:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:37,223 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-07-12 15:18:37,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:18:37,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373288534] [2022-07-12 15:18:37,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373288534] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:37,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:37,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:18:37,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181839782] [2022-07-12 15:18:37,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:37,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:18:37,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:18:37,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:18:37,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:18:37,225 INFO L87 Difference]: Start difference. First operand 22772 states and 31210 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-12 15:18:39,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:39,568 INFO L93 Difference]: Finished difference Result 23270 states and 31983 transitions. [2022-07-12 15:18:39,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:18:39,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 202 [2022-07-12 15:18:39,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:39,641 INFO L225 Difference]: With dead ends: 23270 [2022-07-12 15:18:39,642 INFO L226 Difference]: Without dead ends: 23268 [2022-07-12 15:18:39,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:18:39,655 INFO L413 NwaCegarLoop]: 2133 mSDtfsCounter, 2291 mSDsluCounter, 3631 mSDsCounter, 0 mSdLazyCounter, 2297 mSolverCounterSat, 790 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2524 SdHoareTripleChecker+Valid, 5764 SdHoareTripleChecker+Invalid, 3087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 790 IncrementalHoareTripleChecker+Valid, 2297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:39,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2524 Valid, 5764 Invalid, 3087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [790 Valid, 2297 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 15:18:39,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23268 states. [2022-07-12 15:18:40,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23268 to 22776. [2022-07-12 15:18:40,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22776 states, 16417 states have (on average 1.2736797222391423) internal successors, (20910), 16798 states have internal predecessors, (20910), 5092 states have call successors, (5092), 1248 states have call predecessors, (5092), 1264 states have return successors, (5211), 4858 states have call predecessors, (5211), 5088 states have call successors, (5211) [2022-07-12 15:18:40,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22776 states to 22776 states and 31213 transitions. [2022-07-12 15:18:40,521 INFO L78 Accepts]: Start accepts. Automaton has 22776 states and 31213 transitions. Word has length 202 [2022-07-12 15:18:40,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:40,523 INFO L495 AbstractCegarLoop]: Abstraction has 22776 states and 31213 transitions. [2022-07-12 15:18:40,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-12 15:18:40,524 INFO L276 IsEmpty]: Start isEmpty. Operand 22776 states and 31213 transitions. [2022-07-12 15:18:40,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-12 15:18:40,528 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:40,528 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:40,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 15:18:40,529 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:40,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:40,529 INFO L85 PathProgramCache]: Analyzing trace with hash -297251163, now seen corresponding path program 1 times [2022-07-12 15:18:40,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:18:40,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995273718] [2022-07-12 15:18:40,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:40,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:18:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:18:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:18:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:18:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:18:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:18:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:18:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:18:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:18:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:18:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:18:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:18:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:18:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:18:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 15:18:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 15:18:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:18:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:18:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 15:18:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-12 15:18:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 15:18:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 15:18:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2022-07-12 15:18:40,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:18:40,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995273718] [2022-07-12 15:18:40,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995273718] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:40,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:40,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:18:40,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050952324] [2022-07-12 15:18:40,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:40,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:18:40,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:18:40,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:18:40,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:18:40,864 INFO L87 Difference]: Start difference. First operand 22776 states and 31213 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 15:18:43,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:43,472 INFO L93 Difference]: Finished difference Result 23274 states and 31986 transitions. [2022-07-12 15:18:43,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:18:43,472 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 207 [2022-07-12 15:18:43,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:43,524 INFO L225 Difference]: With dead ends: 23274 [2022-07-12 15:18:43,525 INFO L226 Difference]: Without dead ends: 23272 [2022-07-12 15:18:43,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:18:43,534 INFO L413 NwaCegarLoop]: 2135 mSDtfsCounter, 2291 mSDsluCounter, 3637 mSDsCounter, 0 mSdLazyCounter, 2297 mSolverCounterSat, 789 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2522 SdHoareTripleChecker+Valid, 5772 SdHoareTripleChecker+Invalid, 3086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 789 IncrementalHoareTripleChecker+Valid, 2297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:43,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2522 Valid, 5772 Invalid, 3086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [789 Valid, 2297 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 15:18:43,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23272 states. [2022-07-12 15:18:44,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23272 to 22780. [2022-07-12 15:18:44,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22780 states, 16420 states have (on average 1.2736297198538369) internal successors, (20913), 16801 states have internal predecessors, (20913), 5092 states have call successors, (5092), 1249 states have call predecessors, (5092), 1265 states have return successors, (5211), 4858 states have call predecessors, (5211), 5088 states have call successors, (5211) [2022-07-12 15:18:44,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22780 states to 22780 states and 31216 transitions. [2022-07-12 15:18:44,368 INFO L78 Accepts]: Start accepts. Automaton has 22780 states and 31216 transitions. Word has length 207 [2022-07-12 15:18:44,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:44,369 INFO L495 AbstractCegarLoop]: Abstraction has 22780 states and 31216 transitions. [2022-07-12 15:18:44,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 15:18:44,369 INFO L276 IsEmpty]: Start isEmpty. Operand 22780 states and 31216 transitions. [2022-07-12 15:18:44,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-07-12 15:18:44,374 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:44,374 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:44,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 15:18:44,375 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:44,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:44,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1368003184, now seen corresponding path program 1 times [2022-07-12 15:18:44,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:18:44,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805309765] [2022-07-12 15:18:44,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:44,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:18:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:18:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:18:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:18:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:18:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:18:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:18:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:18:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:18:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:18:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:18:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:18:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:18:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:18:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 15:18:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 15:18:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:18:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:18:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 15:18:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-12 15:18:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 15:18:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 15:18:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-12 15:18:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:44,581 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-07-12 15:18:44,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:18:44,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805309765] [2022-07-12 15:18:44,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805309765] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:44,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:44,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:18:44,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588790820] [2022-07-12 15:18:44,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:44,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:18:44,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:18:44,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:18:44,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:18:44,583 INFO L87 Difference]: Start difference. First operand 22780 states and 31216 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 15:18:46,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:46,899 INFO L93 Difference]: Finished difference Result 23278 states and 31989 transitions. [2022-07-12 15:18:46,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:18:46,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 212 [2022-07-12 15:18:46,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:46,992 INFO L225 Difference]: With dead ends: 23278 [2022-07-12 15:18:46,992 INFO L226 Difference]: Without dead ends: 23276 [2022-07-12 15:18:47,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:18:47,014 INFO L413 NwaCegarLoop]: 2132 mSDtfsCounter, 2293 mSDsluCounter, 3630 mSDsCounter, 0 mSdLazyCounter, 2294 mSolverCounterSat, 789 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2525 SdHoareTripleChecker+Valid, 5762 SdHoareTripleChecker+Invalid, 3083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 789 IncrementalHoareTripleChecker+Valid, 2294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:47,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2525 Valid, 5762 Invalid, 3083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [789 Valid, 2294 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 15:18:47,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23276 states. [2022-07-12 15:18:48,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23276 to 22784. [2022-07-12 15:18:48,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22784 states, 16423 states have (on average 1.273579735736467) internal successors, (20916), 16804 states have internal predecessors, (20916), 5092 states have call successors, (5092), 1250 states have call predecessors, (5092), 1266 states have return successors, (5211), 4858 states have call predecessors, (5211), 5088 states have call successors, (5211) [2022-07-12 15:18:48,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22784 states to 22784 states and 31219 transitions. [2022-07-12 15:18:48,128 INFO L78 Accepts]: Start accepts. Automaton has 22784 states and 31219 transitions. Word has length 212 [2022-07-12 15:18:48,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:48,129 INFO L495 AbstractCegarLoop]: Abstraction has 22784 states and 31219 transitions. [2022-07-12 15:18:48,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 15:18:48,129 INFO L276 IsEmpty]: Start isEmpty. Operand 22784 states and 31219 transitions. [2022-07-12 15:18:48,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-07-12 15:18:48,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:48,163 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:48,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 15:18:48,164 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:48,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:48,164 INFO L85 PathProgramCache]: Analyzing trace with hash 825950533, now seen corresponding path program 1 times [2022-07-12 15:18:48,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:18:48,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026311095] [2022-07-12 15:18:48,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:48,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:18:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:18:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:18:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:18:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:18:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:18:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:18:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:18:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:18:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:18:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:18:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:18:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:18:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:18:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 15:18:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 15:18:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:18:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:18:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 15:18:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-12 15:18:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 15:18:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 15:18:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-12 15:18:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 15:18:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:48,463 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2022-07-12 15:18:48,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:18:48,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026311095] [2022-07-12 15:18:48,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026311095] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:48,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:48,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:18:48,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465824884] [2022-07-12 15:18:48,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:48,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:18:48,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:18:48,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:18:48,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:18:48,466 INFO L87 Difference]: Start difference. First operand 22784 states and 31219 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-12 15:18:51,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:51,268 INFO L93 Difference]: Finished difference Result 24680 states and 33504 transitions. [2022-07-12 15:18:51,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 15:18:51,269 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 217 [2022-07-12 15:18:51,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:51,351 INFO L225 Difference]: With dead ends: 24680 [2022-07-12 15:18:51,351 INFO L226 Difference]: Without dead ends: 24678 [2022-07-12 15:18:51,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:18:51,369 INFO L413 NwaCegarLoop]: 2158 mSDtfsCounter, 2076 mSDsluCounter, 3934 mSDsCounter, 0 mSdLazyCounter, 2647 mSolverCounterSat, 793 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2292 SdHoareTripleChecker+Valid, 6092 SdHoareTripleChecker+Invalid, 3440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 793 IncrementalHoareTripleChecker+Valid, 2647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:51,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2292 Valid, 6092 Invalid, 3440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [793 Valid, 2647 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-12 15:18:51,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24678 states. [2022-07-12 15:18:52,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24678 to 24087. [2022-07-12 15:18:52,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24087 states, 17305 states have (on average 1.2643166714822305) internal successors, (21879), 17695 states have internal predecessors, (21879), 5305 states have call successors, (5305), 1458 states have call predecessors, (5305), 1474 states have return successors, (5424), 5071 states have call predecessors, (5424), 5301 states have call successors, (5424) [2022-07-12 15:18:52,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24087 states to 24087 states and 32608 transitions. [2022-07-12 15:18:52,378 INFO L78 Accepts]: Start accepts. Automaton has 24087 states and 32608 transitions. Word has length 217 [2022-07-12 15:18:52,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:52,379 INFO L495 AbstractCegarLoop]: Abstraction has 24087 states and 32608 transitions. [2022-07-12 15:18:52,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-12 15:18:52,379 INFO L276 IsEmpty]: Start isEmpty. Operand 24087 states and 32608 transitions. [2022-07-12 15:18:52,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-07-12 15:18:52,386 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:52,386 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:52,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 15:18:52,386 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:52,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:52,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1118047856, now seen corresponding path program 1 times [2022-07-12 15:18:52,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:18:52,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564882450] [2022-07-12 15:18:52,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:52,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:18:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:18:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:18:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:18:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:18:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:18:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:18:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:18:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:18:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:18:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:18:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:18:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:18:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:18:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 15:18:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 15:18:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:18:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:18:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 15:18:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-12 15:18:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 15:18:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 15:18:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-12 15:18:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 15:18:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 15:18:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,757 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2022-07-12 15:18:52,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:18:52,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564882450] [2022-07-12 15:18:52,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564882450] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:52,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:52,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:18:52,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750566860] [2022-07-12 15:18:52,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:52,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:18:52,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:18:52,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:18:52,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:18:52,759 INFO L87 Difference]: Start difference. First operand 24087 states and 32608 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-12 15:18:55,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:55,946 INFO L93 Difference]: Finished difference Result 24684 states and 33507 transitions. [2022-07-12 15:18:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:18:55,947 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 222 [2022-07-12 15:18:55,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:56,024 INFO L225 Difference]: With dead ends: 24684 [2022-07-12 15:18:56,025 INFO L226 Difference]: Without dead ends: 24682 [2022-07-12 15:18:56,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:18:56,038 INFO L413 NwaCegarLoop]: 2133 mSDtfsCounter, 2291 mSDsluCounter, 3631 mSDsCounter, 0 mSdLazyCounter, 2297 mSolverCounterSat, 786 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2524 SdHoareTripleChecker+Valid, 5764 SdHoareTripleChecker+Invalid, 3083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 786 IncrementalHoareTripleChecker+Valid, 2297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:56,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2524 Valid, 5764 Invalid, 3083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [786 Valid, 2297 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-12 15:18:56,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24682 states. [2022-07-12 15:18:56,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24682 to 24091. [2022-07-12 15:18:56,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24091 states, 17308 states have (on average 1.2642708574069794) internal successors, (21882), 17698 states have internal predecessors, (21882), 5305 states have call successors, (5305), 1459 states have call predecessors, (5305), 1475 states have return successors, (5424), 5071 states have call predecessors, (5424), 5301 states have call successors, (5424) [2022-07-12 15:18:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24091 states to 24091 states and 32611 transitions. [2022-07-12 15:18:57,024 INFO L78 Accepts]: Start accepts. Automaton has 24091 states and 32611 transitions. Word has length 222 [2022-07-12 15:18:57,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:57,024 INFO L495 AbstractCegarLoop]: Abstraction has 24091 states and 32611 transitions. [2022-07-12 15:18:57,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-12 15:18:57,025 INFO L276 IsEmpty]: Start isEmpty. Operand 24091 states and 32611 transitions. [2022-07-12 15:18:57,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-07-12 15:18:57,032 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:57,032 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 9, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:57,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 15:18:57,032 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:57,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:57,033 INFO L85 PathProgramCache]: Analyzing trace with hash 593009637, now seen corresponding path program 1 times [2022-07-12 15:18:57,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:18:57,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794800494] [2022-07-12 15:18:57,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:57,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:18:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:18:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:18:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:18:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:18:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:18:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:18:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:18:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:18:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:18:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:18:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:18:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:18:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:18:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 15:18:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:18:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 15:18:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:18:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:18:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 15:18:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-12 15:18:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 15:18:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 15:18:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-12 15:18:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 15:18:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 15:18:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-12 15:18:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2022-07-12 15:18:57,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:18:57,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794800494] [2022-07-12 15:18:57,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794800494] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:57,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:57,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:18:57,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927623397] [2022-07-12 15:18:57,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:57,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:18:57,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:18:57,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:18:57,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:18:57,283 INFO L87 Difference]: Start difference. First operand 24091 states and 32611 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-12 15:18:59,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:59,714 INFO L93 Difference]: Finished difference Result 24688 states and 33510 transitions. [2022-07-12 15:18:59,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:18:59,714 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 227 [2022-07-12 15:18:59,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:59,795 INFO L225 Difference]: With dead ends: 24688 [2022-07-12 15:18:59,795 INFO L226 Difference]: Without dead ends: 24686 [2022-07-12 15:18:59,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:18:59,808 INFO L413 NwaCegarLoop]: 2135 mSDtfsCounter, 2291 mSDsluCounter, 3637 mSDsCounter, 0 mSdLazyCounter, 2297 mSolverCounterSat, 785 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2522 SdHoareTripleChecker+Valid, 5772 SdHoareTripleChecker+Invalid, 3082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 785 IncrementalHoareTripleChecker+Valid, 2297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:59,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2522 Valid, 5772 Invalid, 3082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [785 Valid, 2297 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 15:18:59,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24686 states. [2022-07-12 15:19:00,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24686 to 24095. [2022-07-12 15:19:00,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24095 states, 17311 states have (on average 1.2642250592109063) internal successors, (21885), 17701 states have internal predecessors, (21885), 5305 states have call successors, (5305), 1460 states have call predecessors, (5305), 1476 states have return successors, (5424), 5071 states have call predecessors, (5424), 5301 states have call successors, (5424) [2022-07-12 15:19:00,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24095 states to 24095 states and 32614 transitions. [2022-07-12 15:19:00,816 INFO L78 Accepts]: Start accepts. Automaton has 24095 states and 32614 transitions. Word has length 227 [2022-07-12 15:19:00,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:19:00,817 INFO L495 AbstractCegarLoop]: Abstraction has 24095 states and 32614 transitions. [2022-07-12 15:19:00,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-12 15:19:00,817 INFO L276 IsEmpty]: Start isEmpty. Operand 24095 states and 32614 transitions. [2022-07-12 15:19:00,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-07-12 15:19:00,823 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:19:00,823 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 10, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:19:00,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 15:19:00,824 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:19:00,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:19:00,824 INFO L85 PathProgramCache]: Analyzing trace with hash -164083888, now seen corresponding path program 1 times [2022-07-12 15:19:00,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:19:00,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733157447] [2022-07-12 15:19:00,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:19:00,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:19:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:19:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:19:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:19:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:19:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:19:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:19:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:19:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:19:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:19:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:19:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:19:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:19:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:00,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:19:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:01,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 15:19:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:01,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:01,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 15:19:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:01,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:19:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:01,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:19:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:01,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 15:19:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:01,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-12 15:19:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:01,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 15:19:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:01,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 15:19:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:01,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-12 15:19:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:01,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 15:19:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:01,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 15:19:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:01,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-12 15:19:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:01,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:19:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:01,049 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-07-12 15:19:01,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:19:01,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733157447] [2022-07-12 15:19:01,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733157447] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:19:01,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:19:01,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:19:01,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310864389] [2022-07-12 15:19:01,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:19:01,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:19:01,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:19:01,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:19:01,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:19:01,052 INFO L87 Difference]: Start difference. First operand 24095 states and 32614 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-12 15:19:04,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:19:04,041 INFO L93 Difference]: Finished difference Result 24692 states and 33513 transitions. [2022-07-12 15:19:04,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:19:04,042 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 232 [2022-07-12 15:19:04,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:19:04,090 INFO L225 Difference]: With dead ends: 24692 [2022-07-12 15:19:04,091 INFO L226 Difference]: Without dead ends: 24690 [2022-07-12 15:19:04,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:19:04,099 INFO L413 NwaCegarLoop]: 2134 mSDtfsCounter, 2291 mSDsluCounter, 3634 mSDsCounter, 0 mSdLazyCounter, 2297 mSolverCounterSat, 784 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2523 SdHoareTripleChecker+Valid, 5768 SdHoareTripleChecker+Invalid, 3081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 784 IncrementalHoareTripleChecker+Valid, 2297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 15:19:04,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2523 Valid, 5768 Invalid, 3081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [784 Valid, 2297 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 15:19:04,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24690 states. [2022-07-12 15:19:05,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24690 to 24099. [2022-07-12 15:19:05,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24099 states, 17314 states have (on average 1.2641792768857572) internal successors, (21888), 17704 states have internal predecessors, (21888), 5305 states have call successors, (5305), 1461 states have call predecessors, (5305), 1477 states have return successors, (5424), 5071 states have call predecessors, (5424), 5301 states have call successors, (5424) [2022-07-12 15:19:05,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24099 states to 24099 states and 32617 transitions. [2022-07-12 15:19:05,101 INFO L78 Accepts]: Start accepts. Automaton has 24099 states and 32617 transitions. Word has length 232 [2022-07-12 15:19:05,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:19:05,102 INFO L495 AbstractCegarLoop]: Abstraction has 24099 states and 32617 transitions. [2022-07-12 15:19:05,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-12 15:19:05,102 INFO L276 IsEmpty]: Start isEmpty. Operand 24099 states and 32617 transitions. [2022-07-12 15:19:05,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-07-12 15:19:05,108 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:19:05,109 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 11, 10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:19:05,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-12 15:19:05,109 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:19:05,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:19:05,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1934399128, now seen corresponding path program 1 times [2022-07-12 15:19:05,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:19:05,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804691386] [2022-07-12 15:19:05,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:19:05,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:19:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:19:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:19:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:19:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:19:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:19:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:19:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:19:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:19:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:19:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:19:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:19:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:19:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:19:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 15:19:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 15:19:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:19:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-12 15:19:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 15:19:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-12 15:19:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:19:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 15:19:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:19:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 15:19:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 15:19:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 15:19:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:19:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-12 15:19:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 15:19:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 15:19:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-12 15:19:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 15:19:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-12 15:19:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:05,388 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2022-07-12 15:19:05,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:19:05,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804691386] [2022-07-12 15:19:05,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804691386] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:19:05,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:19:05,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 15:19:05,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597831671] [2022-07-12 15:19:05,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:19:05,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 15:19:05,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:19:05,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 15:19:05,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:19:05,390 INFO L87 Difference]: Start difference. First operand 24099 states and 32617 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-12 15:19:09,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:19:09,500 INFO L93 Difference]: Finished difference Result 24696 states and 33516 transitions. [2022-07-12 15:19:09,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 15:19:09,501 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 273 [2022-07-12 15:19:09,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:19:09,591 INFO L225 Difference]: With dead ends: 24696 [2022-07-12 15:19:09,592 INFO L226 Difference]: Without dead ends: 24692 [2022-07-12 15:19:09,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-07-12 15:19:09,611 INFO L413 NwaCegarLoop]: 2072 mSDtfsCounter, 2835 mSDsluCounter, 3763 mSDsCounter, 0 mSdLazyCounter, 3295 mSolverCounterSat, 1515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3023 SdHoareTripleChecker+Valid, 5835 SdHoareTripleChecker+Invalid, 4810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1515 IncrementalHoareTripleChecker+Valid, 3295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-12 15:19:09,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3023 Valid, 5835 Invalid, 4810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1515 Valid, 3295 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-12 15:19:09,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24692 states. [2022-07-12 15:19:10,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24692 to 24101. [2022-07-12 15:19:10,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24101 states, 17316 states have (on average 1.264091014091014) internal successors, (21889), 17705 states have internal predecessors, (21889), 5305 states have call successors, (5305), 1462 states have call predecessors, (5305), 1477 states have return successors, (5424), 5071 states have call predecessors, (5424), 5301 states have call successors, (5424) [2022-07-12 15:19:10,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24101 states to 24101 states and 32618 transitions. [2022-07-12 15:19:10,889 INFO L78 Accepts]: Start accepts. Automaton has 24101 states and 32618 transitions. Word has length 273 [2022-07-12 15:19:10,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:19:10,890 INFO L495 AbstractCegarLoop]: Abstraction has 24101 states and 32618 transitions. [2022-07-12 15:19:10,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-12 15:19:10,890 INFO L276 IsEmpty]: Start isEmpty. Operand 24101 states and 32618 transitions. [2022-07-12 15:19:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-07-12 15:19:10,897 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:19:10,897 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:19:10,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-12 15:19:10,898 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:19:10,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:19:10,898 INFO L85 PathProgramCache]: Analyzing trace with hash 728272172, now seen corresponding path program 1 times [2022-07-12 15:19:10,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:19:10,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905320858] [2022-07-12 15:19:10,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:19:10,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:19:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:10,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:19:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:10,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:10,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:19:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:10,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:10,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:19:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:10,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:10,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:19:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:10,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:10,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:19:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:10,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:19:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:19:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:19:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:19:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:19:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:19:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:19:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:19:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 15:19:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 15:19:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:19:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-12 15:19:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 15:19:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-12 15:19:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 15:19:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:19:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:19:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-12 15:19:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:19:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-12 15:19:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 15:19:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-12 15:19:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-12 15:19:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 15:19:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-12 15:19:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-12 15:19:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-12 15:19:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-12 15:19:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2022-07-12 15:19:11,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:19:11,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905320858] [2022-07-12 15:19:11,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905320858] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:19:11,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:19:11,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 15:19:11,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954148279] [2022-07-12 15:19:11,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:19:11,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:19:11,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:19:11,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:19:11,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:19:11,188 INFO L87 Difference]: Start difference. First operand 24101 states and 32618 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 15:19:16,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:19:16,129 INFO L93 Difference]: Finished difference Result 56640 states and 76768 transitions. [2022-07-12 15:19:16,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 15:19:16,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 277 [2022-07-12 15:19:16,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:19:16,219 INFO L225 Difference]: With dead ends: 56640 [2022-07-12 15:19:16,219 INFO L226 Difference]: Without dead ends: 32731 [2022-07-12 15:19:16,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 15:19:16,315 INFO L413 NwaCegarLoop]: 4015 mSDtfsCounter, 2785 mSDsluCounter, 4182 mSDsCounter, 0 mSdLazyCounter, 2912 mSolverCounterSat, 1806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3028 SdHoareTripleChecker+Valid, 8197 SdHoareTripleChecker+Invalid, 4718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1806 IncrementalHoareTripleChecker+Valid, 2912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:19:16,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3028 Valid, 8197 Invalid, 4718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1806 Valid, 2912 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-12 15:19:16,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32731 states. [2022-07-12 15:19:17,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32731 to 31879. [2022-07-12 15:19:17,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31879 states, 22908 states have (on average 1.2642744892613933) internal successors, (28962), 23417 states have internal predecessors, (28962), 7010 states have call successors, (7010), 1940 states have call predecessors, (7010), 1958 states have return successors, (7170), 6705 states have call predecessors, (7170), 7006 states have call successors, (7170) [2022-07-12 15:19:17,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31879 states to 31879 states and 43142 transitions. [2022-07-12 15:19:17,922 INFO L78 Accepts]: Start accepts. Automaton has 31879 states and 43142 transitions. Word has length 277 [2022-07-12 15:19:17,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:19:17,922 INFO L495 AbstractCegarLoop]: Abstraction has 31879 states and 43142 transitions. [2022-07-12 15:19:17,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 15:19:17,923 INFO L276 IsEmpty]: Start isEmpty. Operand 31879 states and 43142 transitions. [2022-07-12 15:19:17,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-07-12 15:19:17,930 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:19:17,931 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:19:17,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-12 15:19:17,931 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:19:17,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:19:17,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1212309842, now seen corresponding path program 1 times [2022-07-12 15:19:17,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:19:17,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803497119] [2022-07-12 15:19:17,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:19:17,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:19:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:19:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:19:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:19:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:19:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:19:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:19:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:19:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:19:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:19:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:19:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:19:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:19:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:19:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 15:19:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 15:19:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:19:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-12 15:19:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 15:19:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-12 15:19:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 15:19:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:19:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:19:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-12 15:19:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:19:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-12 15:19:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 15:19:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-12 15:19:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-12 15:19:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 15:19:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-12 15:19:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-12 15:19:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-12 15:19:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-12 15:19:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:18,116 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2022-07-12 15:19:18,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:19:18,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803497119] [2022-07-12 15:19:18,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803497119] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:19:18,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:19:18,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 15:19:18,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273389384] [2022-07-12 15:19:18,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:19:18,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:19:18,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:19:18,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:19:18,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:19:18,119 INFO L87 Difference]: Start difference. First operand 31879 states and 43142 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 15:19:23,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:19:23,908 INFO L93 Difference]: Finished difference Result 72309 states and 98056 transitions. [2022-07-12 15:19:23,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 15:19:23,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 277 [2022-07-12 15:19:23,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:19:24,049 INFO L225 Difference]: With dead ends: 72309 [2022-07-12 15:19:24,049 INFO L226 Difference]: Without dead ends: 40622 [2022-07-12 15:19:24,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 15:19:24,139 INFO L413 NwaCegarLoop]: 3989 mSDtfsCounter, 2773 mSDsluCounter, 4182 mSDsCounter, 0 mSdLazyCounter, 2911 mSolverCounterSat, 1760 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3015 SdHoareTripleChecker+Valid, 8171 SdHoareTripleChecker+Invalid, 4671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1760 IncrementalHoareTripleChecker+Valid, 2911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-12 15:19:24,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3015 Valid, 8171 Invalid, 4671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1760 Valid, 2911 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-12 15:19:24,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40622 states. [2022-07-12 15:19:25,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40622 to 39633. [2022-07-12 15:19:25,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39633 states, 28488 states have (on average 1.2644973322100534) internal successors, (36023), 29117 states have internal predecessors, (36023), 8707 states have call successors, (8707), 2410 states have call predecessors, (8707), 2435 states have return successors, (8908), 8335 states have call predecessors, (8908), 8703 states have call successors, (8908) [2022-07-12 15:19:26,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39633 states to 39633 states and 53638 transitions. [2022-07-12 15:19:26,097 INFO L78 Accepts]: Start accepts. Automaton has 39633 states and 53638 transitions. Word has length 277 [2022-07-12 15:19:26,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:19:26,097 INFO L495 AbstractCegarLoop]: Abstraction has 39633 states and 53638 transitions. [2022-07-12 15:19:26,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 15:19:26,098 INFO L276 IsEmpty]: Start isEmpty. Operand 39633 states and 53638 transitions. [2022-07-12 15:19:26,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-12 15:19:26,109 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:19:26,109 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 11, 11, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:19:26,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-12 15:19:26,110 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:19:26,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:19:26,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1300981712, now seen corresponding path program 1 times [2022-07-12 15:19:26,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:19:26,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342757359] [2022-07-12 15:19:26,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:19:26,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:19:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:19:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:19:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:19:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:19:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:19:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:19:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:19:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:19:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:19:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:19:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:19:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:19:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:19:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 15:19:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 15:19:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:19:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:19:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 15:19:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-12 15:19:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 15:19:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 15:19:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-12 15:19:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 15:19:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 15:19:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-12 15:19:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:19:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-12 15:19:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 15:19:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,388 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 706 trivial. 0 not checked. [2022-07-12 15:19:26,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:19:26,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342757359] [2022-07-12 15:19:26,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342757359] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:19:26,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:19:26,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:19:26,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856385172] [2022-07-12 15:19:26,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:19:26,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:19:26,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:19:26,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:19:26,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:19:26,389 INFO L87 Difference]: Start difference. First operand 39633 states and 53638 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-12 15:19:29,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:19:29,793 INFO L93 Difference]: Finished difference Result 40618 states and 55122 transitions. [2022-07-12 15:19:29,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:19:29,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 242 [2022-07-12 15:19:29,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:19:29,983 INFO L225 Difference]: With dead ends: 40618 [2022-07-12 15:19:29,983 INFO L226 Difference]: Without dead ends: 39953 [2022-07-12 15:19:30,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:19:30,004 INFO L413 NwaCegarLoop]: 2128 mSDtfsCounter, 2287 mSDsluCounter, 3627 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 783 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2520 SdHoareTripleChecker+Valid, 5755 SdHoareTripleChecker+Invalid, 3072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 783 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 15:19:30,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2520 Valid, 5755 Invalid, 3072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [783 Valid, 2289 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 15:19:30,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39953 states. [2022-07-12 15:19:31,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39953 to 31447. [2022-07-12 15:19:31,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31447 states, 22610 states have (on average 1.264484741264927) internal successors, (28590), 23095 states have internal predecessors, (28590), 6905 states have call successors, (6905), 1902 states have call predecessors, (6905), 1930 states have return successors, (7069), 6633 states have call predecessors, (7069), 6905 states have call successors, (7069) [2022-07-12 15:19:31,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31447 states to 31447 states and 42564 transitions. [2022-07-12 15:19:31,835 INFO L78 Accepts]: Start accepts. Automaton has 31447 states and 42564 transitions. Word has length 242 [2022-07-12 15:19:31,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:19:31,835 INFO L495 AbstractCegarLoop]: Abstraction has 31447 states and 42564 transitions. [2022-07-12 15:19:31,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-12 15:19:31,836 INFO L276 IsEmpty]: Start isEmpty. Operand 31447 states and 42564 transitions. [2022-07-12 15:19:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-12 15:19:31,845 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:19:31,846 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:19:31,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-12 15:19:31,846 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:19:31,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:19:31,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1562466934, now seen corresponding path program 1 times [2022-07-12 15:19:31,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:19:31,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928534762] [2022-07-12 15:19:31,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:19:31,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:19:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:31,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:19:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:31,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:31,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:19:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:31,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:31,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:19:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:31,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:31,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:19:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:31,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:19:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:19:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:19:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:19:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:19:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:19:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:19:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:19:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:19:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:19:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 15:19:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 15:19:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 15:19:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 15:19:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:19:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 15:19:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:19:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 15:19:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-12 15:19:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 15:19:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-12 15:19:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:32,159 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2022-07-12 15:19:32,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:19:32,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928534762] [2022-07-12 15:19:32,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928534762] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:19:32,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:19:32,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:19:32,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993620053] [2022-07-12 15:19:32,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:19:32,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:19:32,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:19:32,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:19:32,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:19:32,162 INFO L87 Difference]: Start difference. First operand 31447 states and 42564 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-12 15:19:38,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:19:38,500 INFO L93 Difference]: Finished difference Result 74306 states and 100528 transitions. [2022-07-12 15:19:38,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:19:38,501 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 260 [2022-07-12 15:19:38,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:19:38,665 INFO L225 Difference]: With dead ends: 74306 [2022-07-12 15:19:38,665 INFO L226 Difference]: Without dead ends: 43051 [2022-07-12 15:19:38,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-12 15:19:38,737 INFO L413 NwaCegarLoop]: 3205 mSDtfsCounter, 1578 mSDsluCounter, 3852 mSDsCounter, 0 mSdLazyCounter, 2915 mSolverCounterSat, 657 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1816 SdHoareTripleChecker+Valid, 7057 SdHoareTripleChecker+Invalid, 3572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 657 IncrementalHoareTripleChecker+Valid, 2915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-12 15:19:38,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1816 Valid, 7057 Invalid, 3572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [657 Valid, 2915 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-12 15:19:38,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43051 states. [2022-07-12 15:19:40,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43051 to 41639. [2022-07-12 15:19:40,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41639 states, 30106 states have (on average 1.2610775260745366) internal successors, (37966), 30691 states have internal predecessors, (37966), 8913 states have call successors, (8913), 2590 states have call predecessors, (8913), 2618 states have return successors, (9077), 8589 states have call predecessors, (9077), 8913 states have call successors, (9077) [2022-07-12 15:19:40,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41639 states to 41639 states and 55956 transitions. [2022-07-12 15:19:40,882 INFO L78 Accepts]: Start accepts. Automaton has 41639 states and 55956 transitions. Word has length 260 [2022-07-12 15:19:40,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:19:40,882 INFO L495 AbstractCegarLoop]: Abstraction has 41639 states and 55956 transitions. [2022-07-12 15:19:40,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-12 15:19:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 41639 states and 55956 transitions. [2022-07-12 15:19:40,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2022-07-12 15:19:40,893 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:19:40,893 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:19:40,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-12 15:19:40,894 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:19:40,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:19:40,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1960838, now seen corresponding path program 1 times [2022-07-12 15:19:40,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:19:40,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430858729] [2022-07-12 15:19:40,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:19:40,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:19:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:40,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:19:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:19:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:19:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:19:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:19:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:19:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:19:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:19:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:19:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:19:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:19:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:19:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:19:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:19:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 15:19:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 15:19:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 15:19:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-12 15:19:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:19:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:19:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-12 15:19:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:19:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:19:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-12 15:19:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 15:19:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-12 15:19:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:19:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 15:19:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:19:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 15:19:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-12 15:19:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-12 15:19:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 15:19:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:41,224 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2022-07-12 15:19:41,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:19:41,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430858729] [2022-07-12 15:19:41,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430858729] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:19:41,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:19:41,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:19:41,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19191694] [2022-07-12 15:19:41,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:19:41,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:19:41,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:19:41,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:19:41,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:19:41,227 INFO L87 Difference]: Start difference. First operand 41639 states and 55956 transitions. Second operand has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 15:19:48,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:19:48,626 INFO L93 Difference]: Finished difference Result 98182 states and 132064 transitions. [2022-07-12 15:19:48,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:19:48,628 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 334 [2022-07-12 15:19:48,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:19:48,798 INFO L225 Difference]: With dead ends: 98182 [2022-07-12 15:19:48,799 INFO L226 Difference]: Without dead ends: 56735 [2022-07-12 15:19:48,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-12 15:19:48,902 INFO L413 NwaCegarLoop]: 3422 mSDtfsCounter, 2491 mSDsluCounter, 3836 mSDsCounter, 0 mSdLazyCounter, 2649 mSolverCounterSat, 1211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2813 SdHoareTripleChecker+Valid, 7258 SdHoareTripleChecker+Invalid, 3860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1211 IncrementalHoareTripleChecker+Valid, 2649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-12 15:19:48,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2813 Valid, 7258 Invalid, 3860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1211 Valid, 2649 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-12 15:19:48,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56735 states. [2022-07-12 15:19:51,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56735 to 54763. [2022-07-12 15:19:51,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54763 states, 39410 states have (on average 1.2570921086018776) internal successors, (49542), 40207 states have internal predecessors, (49542), 11821 states have call successors, (11821), 3502 states have call predecessors, (11821), 3530 states have return successors, (11977), 11349 states have call predecessors, (11977), 11821 states have call successors, (11977) [2022-07-12 15:19:51,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54763 states to 54763 states and 73340 transitions. [2022-07-12 15:19:51,858 INFO L78 Accepts]: Start accepts. Automaton has 54763 states and 73340 transitions. Word has length 334 [2022-07-12 15:19:51,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:19:51,859 INFO L495 AbstractCegarLoop]: Abstraction has 54763 states and 73340 transitions. [2022-07-12 15:19:51,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 15:19:51,859 INFO L276 IsEmpty]: Start isEmpty. Operand 54763 states and 73340 transitions. [2022-07-12 15:19:51,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-12 15:19:51,871 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:19:51,871 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:19:51,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-12 15:19:51,871 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:19:51,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:19:51,872 INFO L85 PathProgramCache]: Analyzing trace with hash -2136606716, now seen corresponding path program 1 times [2022-07-12 15:19:51,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:19:51,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309978984] [2022-07-12 15:19:51,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:19:51,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:19:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:51,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:19:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:51,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:51,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:19:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:51,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:51,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:19:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:51,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:51,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:19:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:51,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:51,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:19:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:19:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:19:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:19:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:19:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:19:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:19:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:19:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:19:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:19:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 15:19:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 15:19:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 15:19:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-12 15:19:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:19:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:19:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-12 15:19:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:19:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:19:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-12 15:19:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 15:19:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 15:19:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:19:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:19:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 15:19:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:19:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 15:19:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-12 15:19:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 15:19:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-12 15:19:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:52,191 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2022-07-12 15:19:52,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:19:52,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309978984] [2022-07-12 15:19:52,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309978984] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:19:52,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:19:52,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:19:52,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841475398] [2022-07-12 15:19:52,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:19:52,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:19:52,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:19:52,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:19:52,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:19:52,194 INFO L87 Difference]: Start difference. First operand 54763 states and 73340 transitions. Second operand has 6 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 15:19:59,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:19:59,102 INFO L93 Difference]: Finished difference Result 121675 states and 163102 transitions. [2022-07-12 15:19:59,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:19:59,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 335 [2022-07-12 15:19:59,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:19:59,305 INFO L225 Difference]: With dead ends: 121675 [2022-07-12 15:19:59,306 INFO L226 Difference]: Without dead ends: 66935 [2022-07-12 15:19:59,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-12 15:19:59,430 INFO L413 NwaCegarLoop]: 3235 mSDtfsCounter, 2435 mSDsluCounter, 2764 mSDsCounter, 0 mSdLazyCounter, 1907 mSolverCounterSat, 1666 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2671 SdHoareTripleChecker+Valid, 5999 SdHoareTripleChecker+Invalid, 3573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1666 IncrementalHoareTripleChecker+Valid, 1907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-12 15:19:59,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2671 Valid, 5999 Invalid, 3573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1666 Valid, 1907 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-12 15:19:59,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66935 states. [2022-07-12 15:20:02,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66935 to 64595. [2022-07-12 15:20:02,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64595 states, 46656 states have (on average 1.256537208504801) internal successors, (58625), 47553 states have internal predecessors, (58625), 13749 states have call successors, (13749), 4160 states have call predecessors, (13749), 4188 states have return successors, (13905), 13225 states have call predecessors, (13905), 13749 states have call successors, (13905) [2022-07-12 15:20:02,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64595 states to 64595 states and 86279 transitions. [2022-07-12 15:20:02,737 INFO L78 Accepts]: Start accepts. Automaton has 64595 states and 86279 transitions. Word has length 335 [2022-07-12 15:20:02,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:20:02,738 INFO L495 AbstractCegarLoop]: Abstraction has 64595 states and 86279 transitions. [2022-07-12 15:20:02,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 15:20:02,738 INFO L276 IsEmpty]: Start isEmpty. Operand 64595 states and 86279 transitions. [2022-07-12 15:20:02,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2022-07-12 15:20:02,751 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:20:02,751 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:20:02,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-12 15:20:02,752 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:20:02,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:20:02,752 INFO L85 PathProgramCache]: Analyzing trace with hash 985463247, now seen corresponding path program 1 times [2022-07-12 15:20:02,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:20:02,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081688377] [2022-07-12 15:20:02,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:20:02,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:20:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:20:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:20:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:20:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:20:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:20:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:20:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:20:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:20:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:20:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:20:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:20:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:20:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:20:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:20:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:20:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:20:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:20:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:20:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:20:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 15:20:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:20:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:20:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:20:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 15:20:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:20:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 15:20:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 15:20:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-12 15:20:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:20:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:20:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:20:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-12 15:20:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:20:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:20:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:20:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-12 15:20:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 15:20:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-12 15:20:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 15:20:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:20:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-12 15:20:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:02,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-12 15:20:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:03,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-12 15:20:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:20:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:03,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:20:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:03,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 15:20:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:03,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:20:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:03,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 15:20:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:03,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-12 15:20:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:03,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-12 15:20:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:03,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-12 15:20:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:20:03,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1086 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-07-12 15:20:03,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:20:03,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081688377] [2022-07-12 15:20:03,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081688377] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:20:03,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:20:03,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:20:03,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049231951] [2022-07-12 15:20:03,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:20:03,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:20:03,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:20:03,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:20:03,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:20:03,318 INFO L87 Difference]: Start difference. First operand 64595 states and 86279 transitions. Second operand has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-12 15:20:11,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:20:11,384 INFO L93 Difference]: Finished difference Result 141714 states and 189534 transitions. [2022-07-12 15:20:11,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:20:11,385 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 390 [2022-07-12 15:20:11,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:20:11,733 INFO L225 Difference]: With dead ends: 141714 [2022-07-12 15:20:11,734 INFO L226 Difference]: Without dead ends: 77311 [2022-07-12 15:20:12,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-12 15:20:12,087 INFO L413 NwaCegarLoop]: 3015 mSDtfsCounter, 1585 mSDsluCounter, 3608 mSDsCounter, 0 mSdLazyCounter, 2869 mSolverCounterSat, 684 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1825 SdHoareTripleChecker+Valid, 6623 SdHoareTripleChecker+Invalid, 3553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 684 IncrementalHoareTripleChecker+Valid, 2869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:20:12,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1825 Valid, 6623 Invalid, 3553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [684 Valid, 2869 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-12 15:20:12,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77311 states.